I do not undervalue comfort. I like to be comfortable. I like to see people comfortable. But there are two sorts of comfort—one is comfort of the body, and one is comfort of the mind. These two kinds of comfort react mutually on each other. That is, bodily comfort tends to create comfort for the mind, as also does comfort of mind to create bodily comfort. But of the two kinds of comfort one is a great deal closer to us, and a great deal more durable than the other. If I had to choose between them I should not hesitate a moment. I should say, give me a mind at ease. The mind is master after all. Who has not seen men and women stretched helpless and hopeless on the rack of bodily pain, but triumphing nevertheless into peace and joy? That was the victory of mind. It makes far more difference to us, for our comfort, for our happiness, what is the course of our thoughts, our fancies, our affections, than what is the course of our bodily sensations. A sweet thought, a sovereign affection, a ravishing vision of fancy may make a man forget hunger, thirst, fatigue, pain. But no amount of physical comfort can ease you of anguish fastened upon your mind. That clings and stings in spite of all, and poisons all. Science can do much for me to promote my comfort of body. True, however much she does, I am so constituted that immediately I want a little more. Comfort might perhaps be well enough defined as perfect balance between desire and supply. Only there never is in bodily concerns any such balance. We always want something more than we have. This sense of need constantly surpassing supply is the very spring of progress in civilization. Civilization has been wittily said to consist in the multiplication of artificial wants together with a corresponding multiplication of artificial supplies for those wants. But in view of the fact that want forever outruns supply, a change might not inaptly be made in this French definition of civilization. We might say that civilization is an endless process of multiplying wants and of then multiplying appliances that never will satisfy these wants.